made compatable with python 2.5

mongoengine/base.py

@@ -877,6 +877,10 @@ class BaseDocument(object):
 
         if not is_list and '_cls' in value:
             cls = get_document(value['_cls'])
+            # Make keys str instead of unicode
+            for key,val in value.items():
+                del value[key]
+                value[str(key)] = val
             value = cls(**value)
             value._dynamic = True
             value._changed_fields = []
@@ -998,6 +1002,10 @@ class BaseDocument(object):
             raise InvalidDocumentError("""
 Invalid data to create a `%s` instance.\n%s""".strip() % (cls._class_name, errors))
 
+        # Make all keys str instead of unicode
+        for key,val in data.items():
+            del data[key]
+            data[str(key)] = val
         obj = cls(**data)
 
         obj._changed_fields = changed_fields

mongoengine/fields.py

@@ -1267,7 +1267,7 @@ class SequenceField(IntField):
         """
         Generate and Increment the counter
         """
-        sequence_id = "{0}.{1}".format(self.owner_document._get_collection_name(),
+        sequence_id = "%s.%s"%(self.owner_document._get_collection_name(),
                                self.name)
         collection = get_db(alias = self.db_alias )[self.collection_name]
         counter = collection.find_and_modify(query={"_id": sequence_id},

mongoengine/queryset.py

@@ -4,6 +4,7 @@ import copy
 import itertools
 import operator
 import functools
+import sys
 from functools import partial
 
 import pymongo
@@ -14,6 +15,18 @@ from mongoengine import signals
 __all__ = ['queryset_manager', 'Q', 'InvalidQueryError',
            'DO_NOTHING', 'NULLIFY', 'CASCADE', 'DENY', 'PULL']
 
+if sys.version_info < (2,6,0):
+    def product(*args, **kwds):
+        pools = map(tuple, args) * kwds.get('repeat', 1)
+        result = [[]]
+        for pool in pools:
+            result = [x+[y] for x in result for y in pool]
+        for prod in result:
+            yield tuple(prod)
+else:
+    from itertools import product
+    from functools import reduce
+
 
 # The maximum number of items to display in a QuerySet.__repr__
 REPR_OUTPUT_SIZE = 20
@@ -120,13 +133,13 @@ class QueryTreeTransformerVisitor(QNodeVisitor):
             # the necessary parts. Then for each $or part, create a new query
             # that ANDs the necessary part with the $or part.
             clauses = []
-            for or_group in itertools.product(*or_groups):
-                q_object = functools.reduce(lambda a, b: a & b, and_parts, Q())
-                q_object = functools.reduce(lambda a, b: a & b, or_group, q_object)
+            for or_group in product(*or_groups):
+                q_object = reduce(lambda a, b: a & b, and_parts, Q())
+                q_object = reduce(lambda a, b: a & b, or_group, q_object)
                 clauses.append(q_object)
             # Finally, $or the generated clauses in to one query. Each of the
             # clauses is sufficient for the query to succeed.
-            return functools.reduce(lambda a, b: a | b, clauses, Q())
+            return reduce(lambda a, b: a | b, clauses, Q())
 
         if combination.operation == combination.OR:
             children = []

tests/test_dereference.py

@@ -1,3 +1,4 @@
+from __future__ import with_statement
 import unittest
 
 from mongoengine import *

tests/test_django.py

@@ -1,4 +1,4 @@
-# -*- coding: utf-8 -*-
+from __future__ import with_statement
 import unittest
 from nose.plugins.skip import SkipTest
 from mongoengine.python3_support import PY3
@@ -16,7 +16,7 @@ try:
 
     from django.contrib.sessions.tests import SessionTestsMixin
     from mongoengine.django.sessions import SessionStore, MongoSession
-except Exception as err:
+except Exception, err:
     if PY3:
         SessionTestsMixin = type #dummy value so no error
         SessionStore = None #dummy value so no error

tests/test_document.py

@@ -1,10 +1,13 @@
+from __future__ import with_statement
 import os
 import pickle
 import pymongo
 import bson
 import unittest
 import warnings
+import sys
 
+from nose.plugins.skip import SkipTest
 from datetime import datetime
 
 from tests.fixtures import Base, Mixin, PickleEmbedded, PickleTest
@@ -37,6 +40,8 @@ class DocumentTest(unittest.TestCase):
     def test_future_warning(self):
         """Add FutureWarning for future allow_inhertiance default change.
         """
+        if (sys.version_info < (2,6,0)):
+            raise SkipTest('catch warnings as errors only available in 2.6+')
 
         with warnings.catch_warnings(record=True) as errors:
 
@@ -131,6 +136,9 @@ class DocumentTest(unittest.TestCase):
             meta = {'collection': 'wibble'}
         self.assertEqual('wibble', InheritedAbstractNamingTest._get_collection_name())
 
+
+        # catch_warnings only available in python 2.6+
+        if sys.version_info > (2,6,0): 
             with warnings.catch_warnings(record=True) as w:
                 # Cause all warnings to always be triggered.
                 warnings.simplefilter("always")
@@ -539,6 +547,11 @@ class DocumentTest(unittest.TestCase):
     def test_inherited_collections(self):
         """Ensure that subclassed documents don't override parents' collections.
         """
+
+        # catch_warnings only available in Python 2.6+
+        if (sys.version_info < (2,6,0)):
+            raise SkipTest('catch warnings as errors only available in python 2.6+')
+        
         with warnings.catch_warnings(record=True) as w:
             # Cause all warnings to always be triggered.
             warnings.simplefilter("always")

tests/test_fields.py

@@ -1,3 +1,4 @@
+from __future__ import with_statement
 import datetime
 import os
 import unittest

tests/test_queryset.py

@@ -1,4 +1,4 @@
-# -*- coding: utf-8 -*-
+from __future__ import with_statement
 import unittest
 
 from datetime import datetime, timedelta
@@ -499,7 +499,7 @@ class QuerySetTest(unittest.TestCase):
 
         Blog.drop_collection()
 
-        # Recreates the collection
+        # Recreates the collection
         self.assertEqual(0, Blog.objects.count())
 
         with query_counter() as q: